Return-Path: <13brv3@bellsouth.net> Received: from imf20aec.mail.bellsouth.net ([205.152.59.68] verified) by logan.com (CommuniGate Pro SMTP 4.2.1) with ESMTP id 401298 for flyrotary@lancaironline.net; Tue, 07 Sep 2004 18:05:13 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.68; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf20aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20040907220445.WHPF11436.imf20aec.mail.bellsouth.net@rd> for ; Tue, 7 Sep 2004 18:04:45 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: high oil pressure and coolers Date: Tue, 7 Sep 2004 17:04:52 -0500 Message-ID: <000701c49526$b33cd220$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0008_01C494FC.CA66CA20" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0008_01C494FC.CA66CA20 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable If you really want to run the evaporator core as your oil cooler, why = don't you move the oil filter upstream of the cooler. That would reduce the pressure to the cooler, and also eliminate some downstream restriction.=20 =20 I could do that, but not all that easily. At the moment, the evap core isn't doing the job anyway, so it's probably not worth the effort to try = to save it. =20 =20 The other option to lower the primary pressure is to install an = aftermarket regulator on the oil outlet at the front cover. Bruce said you could = also take off the front cover, and modify the original regulator spring to = lower the pressure to about 110 psi. I don't plan to do either of those, but = they are options. =20 =20 Steve Brooks (running the stock oil cooler)=20 =20 Weren't your oil temps way up there? For some reason, (note to Bill = Dube) I was convinced that the stock cooler wasn't going to work well enough, = which is why I went with the evap core. I don't think I've heard John = complain about his oil temp (everything else... ). =20 =20 How many people are running stock 2nd or 3rd gen coolers, and have temps under 210? =20 =20 Sadly, =20 ------=_NextPart_000_0008_01C494FC.CA66CA20 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
If you=20 really want to run the evaporator core as your oil cooler, why = don’t you move=20 the oil filter upstream of the cooler. =20 That would reduce the pressure to the cooler, and also eliminate = some=20 downstream restriction. 
&nbs= p;
I could = do that, but=20 not all that easily.  At the moment, the evap core isn't doing = the job=20 anyway, so it's probably not worth the effort to try to save=20 it.  
&nbs= p;
The = other=20 option to lower the primary pressure is to install an aftermarket = regulator=20 on the oil outlet at the front cover.  Bruce said you = could also=20 take off the front cover, and modify the original regulator spring to = lower the=20 pressure to about 110 psi.  I don't plan to do either of those, but = they=20 are options.  
&nbs= p;
Steve=20 Brooks (running the stock oil cooler) 
 
Weren't your = oil temps way=20 up there?  For some reason, (note to Bill Dube) I was = convinced that=20 the stock cooler wasn't going to work well enough, which is why I went = with the=20 evap core.  I don't think I've heard John complain about his oil = temp=20 (everything else...=20 <G>).  
 
How many = people are running=20 stock 2nd or 3rd gen coolers, and have temps under=20 210?  
 
Sadly, =  
------=_NextPart_000_0008_01C494FC.CA66CA20--